Premium Optical Glass for Crystal Clear Vision and Performance

Product Description

General Introduction: Corning ULE 7972 Ultra Low Expansion Glass stands as a remarkable titania silicate glass, highly regarded for its extraordinary properties. This unique material has become indispensable across a spectrum of applications, from precision machine tool reference blocks to the construction of both solid and lightweight mirror blanks in astronomical telescopes and space satellite projects. Esteemed within the semiconductor industry, ULE® is recognized as the definitive 'material of choice' for demanding EUV applications, offering unmatched reliability and performance.

Products Name: Corning ULE 7972 Ultra Low Expansion Glass
Alias: Corning 7972, Corning 7972 glass, Corning 7972 low expansion glass, 7972 glass, ULE 7972, ULE 7972 glass, 7972 low expansion glass, etc.

Optical and Thermal Properties:
Optical Properties

Stress Optical Coefficient	4.15 (nm/cm)/(kg/cm3) [0.292(nm/cm)psi]
Abbe'Number(vd)	53.1
Refractive index (nominal CTE material)	nF (486 nm) 1.4892 nD (589 nm) 1.4828 nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C 40-60°C 11.24 x 10-6/°C

Thermal Properties

Mean coefficient of thermal expansion 5ºC to 35ºC	0 ± 30 x 10-9/K [0 ± 30 ppb/ºC]
Thermal Conductivity (K)	1.31 w/(m • ºC) [1.13 kcal/(m • hr • ºC)]
Thermal diffusity (D)	0.0079 cm2/s
D.C. volume resistivity, 200ºC 100Hz (R)	10^11.6 ohm • cm
Mean specific heat (Cp)	767 J/ (kg • ºC) [0.183 cal/(g • ºC)]
Strain point	890ºC [1634 ºF]
Annealing point	1000ºC [1832 ºF]
Softening point	1490ºC [2714 ºF]

Mechanical Properties:
1). Poisson's ratio (v):0.17
2). Ultimate tensile stress (MOR):49.8 MPa [7220 psi]
3). Knoop Hardness, 200g load:460 kg/mm²
4). Density (p):2.21 g/cm³ [0.079 lbs/in³]
5). Specific stiffness (E/P):3.12 x 10⁶ m [1.23 x 10⁸ in.]
6). Shear Modulus (G):29.0 GPa [4.20 x 10⁶ psi]
7). Bulk Modulus (K): 34.1 GPa [4.95 x 10⁶ psi]
8). Elastic Modulus (E):67.6 GPa [9.80 x 10⁶ psi]

Chemical Durability:
1). Superior resistance to weathering, ensuring longevity and durability.
2). Demonstrates virtually no surface clouding or electrical leakage when exposed to water, sulfur dioxide, and atmospheric gases, maintaining its pristine condition and functionality.
3). Remarkably high resistance to nearly all chemical agents, making it an excellent choice for harsh environments.

Main Applying Fields:

Applying Fields:	LCD TV, computer monitor Glass substrate of notebook computer Ceramic carriers and filters for mobile emission control systems Optical fiber, optical cable, hardware and equipment for communication network Optical biosensors for drug development Optics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Service:
Offering a comprehensive suite of services such as Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing, 3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, and Measuring, ensuring precision and tailored solutions.
Matching processing equipments:
1). Single side lapping and polishing machines
2). Double-sided polishing machines
3). Ring throwing machines
4). DMG five-axis five-linkage spherical milling machine
5). DMG Ultrasonic Machining Center: This state-of-the-art machinery offers precision and accuracy for high-quality ultrasonic machining tasks, ensuring exceptional performance and reliability in complex operations.
6). Super Large Scale Gantry CNC Machining Center (2.0*2.0m): Designed for handling massive components with ease, this gantry CNC center offers unparalleled precision and efficiency for large-scale projects.
7). Super Large Scale Surface Grinder (1.6m*1.6m): Achieve impeccable surface finishes with this grinder, engineered to handle extensive surfaces with precision accuracy and smoothness.
8). CNC Cutting Machines: Experience superior cutting capabilities with our CNC machines, designed to deliver precision cuts for a wide range of materials and applications.
9). Thin Plate Cleaning Machines: Ensure your thin plates are spotless with our advanced cleaning machines, providing efficient and thorough cleaning solutions tailored for delicate materials.
10). Ultrasonic Trough Cleaning Machines: Achieve immaculate cleanliness with our ultrasonic trough cleaning machines, expertly designed for deep cleaning applications.
11). Plane Interferometers: Our top-tier plane interferometers provide precise measurements and analysis for advanced optical applications, ensuring accuracy and reliability in every observation.
12). Two Dimensional Detectors: Capture detailed images and data with our sophisticated two-dimensional detectors, offering unmatched sensitivity and resolution.
13). Ion Beam Polishing Machines: Experience the ultimate in precision finishing with our ion beam polishing machines, ideal for achieving the highest levels of smoothness and surface quality.
14). Magnetorheological Polishing Equipments: Our cutting-edge magnetorheological polishing equipment ensures unparalleled surface finishing, enhancing optical performance with precision-controlled polishing techniques.

Main Export Countries & Areas:
USA, UK, Japan, Germany, Spain, France, Switzerland, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arabia, Turkey, Finland, Poland, etc.: Expanding our global reach to provide innovative solutions across continents.


Raytekoptics Extra Value Added Services Offered:
1). Optical Workcraft & Process Solution Design: Customizing the perfect optical solutions specifically tailored for your needs.
2). Rough Processing Raw Materials: Delivering expertly processed raw materials to set the foundation for exceptional product quality.
3). Semi-Finishing Raw Materials: Our semi-finishing services ensure your materials are prepared to exacting standards for further processing.
4). Fabricate Custom Sizes and Shapes: We specialize in creating bespoke dimensions and shapes to meet your unique specifications.
5). Design and Supply Custom Coatings: Offering specialized coatings to enhance the performance and durability of your optical components.
6). Modify and Resurface Customer Supplied Materials: Expertly adapting and resurfacing materials for optimal functionality and performance.
7). Drill Holes, Notch Glass and Provide Beveled Substrates: Innovatively shaping glass and substrates to meet precise requirements.
8). Precision Polish Optics with Non-Standard Aspect Ratios: Delivering exceptional polishing results even for the most challenging shapes.

Payment Method: By T/T or Western Union: Flexible payment options designed for your convenience.
Delivery Time: 7-10 Days: Fast and reliable delivery times to ensure your projects stay on schedule.
Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with '3R' policy--return, replace & refund policy.
For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.
General Introduction: Corning ULE 7972 Ultra Low Expansion Glass is a titania silicate glass with unique characteristics that have made it the material of choice in applications ranging from machine tool reference blocks to solid and lightweight mirror blanks for astronomical telescopes and space satellite applications. Experts in the semiconductor industry have identified ULE® as a 'material of choice' for EUV applications.

Products Name: Corning ULE 7972 Ultra Low Expansion Glass
Alias: Corning 7972, Corning 7972 glass, Corning 7972 low expansion glass, 7972 glass, ULE 7972, ULE 7972 glass, 7972 low expansion glass, etc.

Optical and Thermal Properties:
Optical Properties

Stress Optical Coefficient	4.15 (nm/cm)/(kg/cm3) [0.292(nm/cm)psi]
Abbe'Number(vd)	53.1
Refractive index (nominal CTE material)	nF (486 nm) 1.4892 nD (589 nm) 1.4828 nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C 40-60°C 11.24 x 10-6/°C

Thermal Properties

Mean coefficient of thermal expansion 5ºC to 35ºC	0 ± 30 x 10-9/K [0 ± 30 ppb/ºC]
Thermal Conductivity (K)	1.31 w/(m • ºC) [1.13 kcal/(m • hr • ºC)]
Thermal diffusity (D)	0.0079 cm2/s
D.C. volume resistivity, 200ºC 100Hz (R)	10^11.6 ohm • cm
Mean specific heat (Cp)	767 J/ (kg • ºC) [0.183 cal/(g • ºC)]
Strain point	890ºC [1634 ºF]
Annealing point	1000ºC [1832 ºF]
Softening point	1490ºC [2714 ºF]

Mechanical Properties:
1). Poisson's Ratio (v):0.17
2). Ultimate Tensile Stress (MOR):49.8 MPa [7220 psi]
3). Knoop Hardness, with a sturdy 200g load:A remarkable 460 kg/mm², showcasing durability and strength.
4). Density (ρ):Precisely 2.21 g/cm³ [0.079 lbs./in³], exemplifying its compact and robust nature.
5). Specific stiffness (E/ρ):A precise value of 3.12 x 10⁶ m [1.23 x 10⁸ in.], ensuring exceptional structural integrity.
6). Shear Modulus (G):A robust 29.0 GPa [4.20 x 10⁶ psi], delivering outstanding shear resistance.
7). Bulk Modulus (K): 34.1 GPa [4.95 x 10⁶ psi], ensuring resilience against volumetric changes.
8). Elastic Modulus (E):At a solid 67.6 GPa [9.80 x 10⁶ psi], providing unparalleled elasticity and flexibility.

Chemical Durability:
1). Offers exceptional resistance to weathering, extending lifespan.
2). Virtually impervious to surface clouding or electrical leakage under exposure to water, sulfur dioxide, and atmospheric gases.
3). Demonstrates high resilience against attacks by nearly all chemical agents, maintaining integrity.

Main Applying Fields:

Applying Fields:	LCD TV, computer monitor Glass substrate of notebook computer Ceramic carriers and filters for mobile emission control systems Optical fiber, optical cable, hardware and equipment for communication network Optical biosensors for drug development Optics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Service:
Encompasses a comprehensive suite of services including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, and Custom Shaping. Additional offerings include Counterbores, Drilling & Coring, Edge & Bevel Polishing, 3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, and more, ensuring bespoke product solutions tailored to your requirements.
Matching processing equipments;
1). Single side lapping and polishing machines, delivering precise surface finishes.
2). Double-sided polishing machines for enhanced efficiency and quality.
3). Ring throwing machines, optimizing process effectiveness.
4). DMG five-axis five-linkage spherical milling machine, offering unparalleled milling precision.
5). DMG ultrasonic machining center, ensuring superior machining accuracy.
6). Super large scale gantry CNC machining center (2.0*2.0m), providing expansive machining capabilities.
7). Super large scale surface grinder (1.6m*1.6m), achieving high-quality surface finishes.
8). CNC cutting machines, for precise and efficient material cutting.
9). Thin plate cleaning machines, ensuring pristine material surfaces.
10). Ultrasonic trough cleaning machines, for comprehensive cleaning solutions.
11). Plane interferometers, delivering high-precision measurements.
12). Two-dimensional detectors, for accurate and reliable detection.
13). Ion beam polishing machines, achieving superior polish quality.
14). Magnetorheological polishing equipments, providing advanced polishing capabilities.

Main Cooperation Materials Manufacturers:
Partnering with industry leaders such as CORNING, OHARA, SCHOTT, LEONI, AGC, HELLMA, NIKON, VITRON, C-LASER, and more to deliver top-quality materials for every need.

Main Export Countries & Areas:
Global reach spanning the USA, UK, Japan, Germany, Spain, France, Switzerland, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arabia, Turkey, Finland, Poland, etc., ensuring worldwide distribution and support.

Raytekoptics: Unveiling Our Premier Value-Added Services:
1). Expert Craftsmanship in Optical Work and Process Solution Design;
2). Meticulous Preliminary Processing of Raw Materials;
3). Precision-Based Semi-Finishing of Raw Materials;
4). Tailored Fabrication of Custom Sizes and Unique Shapes;
5). Bespoke Custom Coatings Design and Supply;
6). Expert Modification and Resurfacing of Client-Provided Materials;
7). Specialized Drilling, Glass Notching, and Provision of Beveled Substrates;
8). Precision Polishing of Optics with Unique, Non-Standard Aspect Ratios;

Flexible Payment Method: Conveniently pay via T/T or Western Union.
Prompt Delivery Timeframe: Receive your order swiftly within 7-10 days.
Comprehensive Quality Warranty: Ruitaiphotoelectric (Raytekoptics) proudly offers an unmatched quality warranty for our optics products, featuring our inclusive "3R" policy-Return, Replace, & Refund.
For products that do not meet quality standards, Ruitaiphotoelectric (Raytekoptics) ensures full responsibility through return, replacement, and refund options.